NTSB Identification: CHI67A0064
14 CFR Part 121 Scheduled operation of UNITED AIR LINES INC
Aircraft: BOEING B-720, registration: N7203U
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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1-0068  66/11/12 NR.BILLINGS,MONT      BOEING B-720        CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1354                    N7203U              PX-  0  1 73                            51, 18555 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            2343 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - UNITED AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           PERSONNEL - FLIGHT PERSONNEL
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     290
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           65                                                      VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PX FELL WHILE RETURNING TO SEAT.COCKPIT WARNING GIVEN.ATTENDANTS FAILED TO OBSERVE PX MOVEMENTS.
Full narrative is not available


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